Marco Polo -
The Reign of Terror -
The Crusade -
Galaxy 4 -
The Myth Makers ---
Marco Polo, Episode 1: “The Roof of the World” --
Marco Polo is “less missing” than some of the other missing stories in that it has been reconstructed with photos and surviving audio footage on the first DVD set. Even so, that version is greatly abridged, condensing a full seven-parter into a mere thirty minutes. I will be the first to admit that some Doctor Who serials could stand some condensing, but although the DVD version is a good summary, so far I’ve found what was left out to add depth and characterization.
Broadcast very early in Doctor Who’s run, Marco Polo is only the fourth storyline, and the first ever historical (unless you count the one with the cavemen, which I don’t). Episode teaches lessons of science as well as history without being obvious or heavy-handed about it. the TARDIS has landed in 13th Century China and the Doctor, Susan, Ian and Barbara have decided to travel with Marco Polo for a time. So far not much has happened other than introducing the characters and setting up the conflict.
Cliffhanger: Marco Polo decides to make a gift of the TARDIS to Kublai Khan.